HydraQuaker™ DAH Drilling Jars

The HydraQuaker* hydraulic drilling jar is capable of delivering a heavy impact in vertical and deviated holes during drilling, fishing, or workover operations. Designed to operate as an integral part of a drillstring, the tool can withstand normal drilling conditions of torque, pump pressure, temperatures, and long periods of use. A unique temperature compensation process enables the HydraQuaker jar to provide consistent impact, blow after blow, even in harsh environments. By adjusting the amount of surface push or pull, the operator can adjust the magnitude of the impacts in either direction; the frequency of impacts can also be controlled. “Cocking,” or resetting, the HydraQuaker jar is automatic—once the desired impact has been delivered, simply raising or lowering the string allows the proprietary metering mechanism to be reactivated. Applications: • Drilling formations that cause drillpipe or other components to stick • High-impact operations • High-temperature operations • Workover operations Advantages: • Proprietary metering mechanism enables drillstring activation • Long free stroke delivers maximum impact • Flex subs enable conveyance through high dogleg severity intervals • Jar can be run in tension or compression • Large piston area prevents automatic cocking or firing with pumps operating normally • Proprietary detent system ensures consistent impact in 300-degF and 450-degF conditions with optional high-temperature seals